ATI RN
Epidemiology Exam Questions Questions
Question 1 of 5
What is 'case fatality rate'?
Correct Answer: A
Rationale: Case fatality rate (A) is deaths among cases (e.g., 10% for Ebola). B is incidence, C is mortality, D is at-risk.
Question 2 of 5
Which of the following bacteria is the most common cause of bacterial meningitis in children 3 months to 6 years of age in the United States?
Correct Answer: A
Rationale: Post-Hib vaccine, S. pneumoniae leads in this age group.
Question 3 of 5
Overconsumption of refined sugar has been shown to cause
Correct Answer: D
Rationale: Sugar contributes to obesity indirectly; no direct causation for B-D.
Question 4 of 5
Cystic fibrosis is a genetic disorder of eccrine and exocrine gland function. All the following statements about cystic fibrosis are true EXCEPT
Correct Answer: D
Rationale: High sweat chloride confirms CF, not absence.
Question 5 of 5
Compared with persons without kidney disease, patients on chronic dialysis for renal failure have an increased incidence of all the following EXCEPT
Correct Answer: D
Rationale: Hypernephroma (renal cancer) isn’t dialysis-related; others are.